external drive in Devices but not in Explorer

Computer Type: PC/Desktop
System Manufacturer/Model Number: Dell Inspiron 3280 AIO
OS: Windows11 Home 64bit v:23H2 b:22631.3374
CPU: 8th Gen. Intel Core i3 8145U
Motherboard: Dell
Memory: 16GB Intel Optane+16GB Crucial DDR4 RAM
Graphics Card: Intel UHD Graphics 620
Sound Card: onboard
Monitor(s) Displays: Dell ( All in One)
Screen Resolution: 1920*1080
Keyboard: Dell Wireless Keyboard
Mouse: Dell Wireless mouse
PSU: Dell A.C. adapter 95W
Case: All-in-One
Cooling: onboard
Hard Drives: Intel Optane+932GB Crucial BX500 SSD(RAID mode) Currently disabled
Internet Speed: 4G
Browser: Chrome
Antivirus: Windows Defender, Mallwarebytes Premium
Other Info: System upgraded with 16GB RAM(inlieu of 4GB RAM) and 1TB Crucial BX500 SSD (inlieu of failing 1TB Toshiba HDD) on 14 Augt 2023.System upgraded Windows 10 to Windows 11 on 28 Oct 2023